package indi.liudalei;

import java.util.Random;

/**
 * @author liudalei
 * @version 1.0.0
 * @date 2018/3/27
 * @description
 */
public class RemoveMain {

    public static void main(String[] args)
    {
        String[] s={"60*45","40*40","null"};
        Random r=new Random();
        int x=r.nextInt(3);
        System.out.println(s[x]);
    }
}
